add release notes for v7.5.5 #19299
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add release notes for v7.5.5 #19299
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Signed-off-by: Aolin <[email protected]>
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Dec 13, 2024
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Dec 13, 2024
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@bb7133 @zanmato1984 @cfzjywxk @hawkingrei @mornyx @zhangjinpeng1987 @niubell @JaySon-Huang @BornChanger @flowbehappy @D3Hunter Please provide bug fixes and improvements for v7.5.5 in this PR. |
| - (dup): release-7.1.6.md > 错误修复> TiDB - 修复当一个查询有索引合并 (Index Merge) 执行计划可用时，`read_from_storage` hint 可能不生效的问题 [#56217](https://github.com/pingcap/tidb/issues/56217) @[AilinKid](https://github.com/AilinKid) | ||
| - (dup): release-8.5.0.md > 错误修复> TiDB - 修复 `INDEX_HASH_JOIN` 在异常退出时可能卡住的问题 [#54055](https://github.com/pingcap/tidb/issues/54055) @[wshwsh12](https://github.com/wshwsh12) | ||
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- 修复 TiKV 处理 destroyed peer 时可能遇到的 panic 的问题 Fix several typos and update wording for perf tuning (#17837) #17840)) @glorv))
- 提升在 raft log 部署在独立磁盘情况下，磁盘出现故障时 TiKV 服务的 SLA #17884 @LykxSassinator
- 纠正当 log-file 参数没有指定的时候 jprof 的输出内容 Update the command of upgrading monitoring services #17607)) @Hexilee))
- 修复在唤醒休眠 region 时可能出现的延迟上升的问题 #17101 @Connor1996
| - note [#issue](https://github.com/pingcap/tidb/issues/${issue-id}) @[贡献者 GitHub ID](https://github.com/${github-id}) | ||
| - (dup): release-7.1.6.md > 改进提升> TiDB - 当某个统计信息完全由 TopN 构成，且对应表的统计信息中修改行数不为 0 时，对于未命中 TopN 的等值条件，估算结果从 0 调整为 1 [#47400](https://github.com/pingcap/tidb/issues/47400) @[terry1purcell](https://github.com/terry1purcell) | ||
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- 提升在 raft log 部署在独立磁盘情况下，磁盘出现故障时 TiKV 服务的 SLA HA: inspect the health of kvdb if using separate mount paths on kvdb and raft-engine. tikv/tikv#17884 @LykxSassinator
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What is changed, added or deleted? (Required)
add release notes for v7.5.5
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